package com.example.test1;

import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Arrays;

@SpringBootApplication
public class SpringbootTest1Application {

    public static void main(String[] args) {
        SpringApplication.run(SpringbootTest1Application.class, args);
    }

    @RestController
    class TestController{

        @RequestMapping("/")
        public String index(){
            return "The first spring boot project";
        }
    }

    @Bean
    public CommandLineRunner commandLineRunner(ApplicationContext ctx){
        return args -> {
            System.out.println("由spring Boot注册的Bean：");

            String[] BeanNames = ctx.getBeanDefinitionNames();
            Arrays.sort(BeanNames);
            for (String BeanName:BeanNames){
                System.out.println(BeanName);
            }
        };
    }

}
